(2.10) Some fixes in _GenerateKVMBlockDevicesOptions()
[ganeti-local] / lib / bootstrap.py
index c72754e..cc62303 100644 (file)
@@ -1,7 +1,7 @@
 #
 #
 
 #
 #
 
-# Copyright (C) 2006, 2007, 2008, 2010, 2011 Google Inc.
+# Copyright (C) 2006, 2007, 2008, 2010, 2011, 2012 Google Inc.
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -28,6 +28,7 @@ import os.path
 import re
 import logging
 import time
 import re
 import logging
 import time
+import tempfile
 
 from ganeti import rpc
 from ganeti import ssh
 
 from ganeti import rpc
 from ganeti import ssh
@@ -41,9 +42,9 @@ from ganeti import serializer
 from ganeti import hypervisor
 from ganeti import bdev
 from ganeti import netutils
 from ganeti import hypervisor
 from ganeti import bdev
 from ganeti import netutils
-from ganeti import backend
 from ganeti import luxi
 from ganeti import jstore
 from ganeti import luxi
 from ganeti import jstore
+from ganeti import pathutils
 
 
 # ec_id for InitConfig's temporary reservation manager
 
 
 # ec_id for InitConfig's temporary reservation manager
@@ -60,7 +61,7 @@ def _InitSSHSetup():
   permitted hosts and adds the hostkey to its own known hosts.
 
   """
   permitted hosts and adds the hostkey to its own known hosts.
 
   """
-  priv_key, pub_key, auth_keys = ssh.GetUserFiles(constants.GANETI_RUNAS)
+  priv_key, pub_key, auth_keys = ssh.GetUserFiles(constants.SSH_LOGIN_USER)
 
   for name in priv_key, pub_key:
     if os.path.exists(name):
 
   for name in priv_key, pub_key:
     if os.path.exists(name):
@@ -88,30 +89,45 @@ def GenerateHmacKey(file_name):
                   backup=True)
 
 
                   backup=True)
 
 
-def GenerateClusterCrypto(new_cluster_cert, new_rapi_cert, new_confd_hmac_key,
-                          new_cds, rapi_cert_pem=None, cds=None,
-                          nodecert_file=constants.NODED_CERT_FILE,
-                          rapicert_file=constants.RAPI_CERT_FILE,
-                          hmackey_file=constants.CONFD_HMAC_KEY,
-                          cds_file=constants.CLUSTER_DOMAIN_SECRET_FILE):
+def GenerateClusterCrypto(new_cluster_cert, new_rapi_cert, new_spice_cert,
+                          new_confd_hmac_key, new_cds,
+                          rapi_cert_pem=None, spice_cert_pem=None,
+                          spice_cacert_pem=None, cds=None,
+                          nodecert_file=pathutils.NODED_CERT_FILE,
+                          rapicert_file=pathutils.RAPI_CERT_FILE,
+                          spicecert_file=pathutils.SPICE_CERT_FILE,
+                          spicecacert_file=pathutils.SPICE_CACERT_FILE,
+                          hmackey_file=pathutils.CONFD_HMAC_KEY,
+                          cds_file=pathutils.CLUSTER_DOMAIN_SECRET_FILE):
   """Updates the cluster certificates, keys and secrets.
 
   @type new_cluster_cert: bool
   @param new_cluster_cert: Whether to generate a new cluster certificate
   @type new_rapi_cert: bool
   @param new_rapi_cert: Whether to generate a new RAPI certificate
   """Updates the cluster certificates, keys and secrets.
 
   @type new_cluster_cert: bool
   @param new_cluster_cert: Whether to generate a new cluster certificate
   @type new_rapi_cert: bool
   @param new_rapi_cert: Whether to generate a new RAPI certificate
+  @type new_spice_cert: bool
+  @param new_spice_cert: Whether to generate a new SPICE certificate
   @type new_confd_hmac_key: bool
   @param new_confd_hmac_key: Whether to generate a new HMAC key
   @type new_cds: bool
   @param new_cds: Whether to generate a new cluster domain secret
   @type rapi_cert_pem: string
   @param rapi_cert_pem: New RAPI certificate in PEM format
   @type new_confd_hmac_key: bool
   @param new_confd_hmac_key: Whether to generate a new HMAC key
   @type new_cds: bool
   @param new_cds: Whether to generate a new cluster domain secret
   @type rapi_cert_pem: string
   @param rapi_cert_pem: New RAPI certificate in PEM format
+  @type spice_cert_pem: string
+  @param spice_cert_pem: New SPICE certificate in PEM format
+  @type spice_cacert_pem: string
+  @param spice_cacert_pem: Certificate of the CA that signed the SPICE
+                           certificate, in PEM format
   @type cds: string
   @param cds: New cluster domain secret
   @type nodecert_file: string
   @param nodecert_file: optional override of the node cert file path
   @type rapicert_file: string
   @param rapicert_file: optional override of the rapi cert file path
   @type cds: string
   @param cds: New cluster domain secret
   @type nodecert_file: string
   @param nodecert_file: optional override of the node cert file path
   @type rapicert_file: string
   @param rapicert_file: optional override of the rapi cert file path
+  @type spicecert_file: string
+  @param spicecert_file: optional override of the spice cert file path
+  @type spicecacert_file: string
+  @param spicecacert_file: optional override of the spice CA cert file path
   @type hmackey_file: string
   @param hmackey_file: optional override of the hmac key file path
 
   @type hmackey_file: string
   @param hmackey_file: optional override of the hmac key file path
 
@@ -145,6 +161,31 @@ def GenerateClusterCrypto(new_cluster_cert, new_rapi_cert, new_confd_hmac_key,
     logging.debug("Generating new RAPI certificate at %s", rapicert_file)
     utils.GenerateSelfSignedSslCert(rapicert_file)
 
     logging.debug("Generating new RAPI certificate at %s", rapicert_file)
     utils.GenerateSelfSignedSslCert(rapicert_file)
 
+  # SPICE
+  spice_cert_exists = os.path.exists(spicecert_file)
+  spice_cacert_exists = os.path.exists(spicecacert_file)
+  if spice_cert_pem:
+    # spice_cert_pem implies also spice_cacert_pem
+    logging.debug("Writing SPICE certificate at %s", spicecert_file)
+    utils.WriteFile(spicecert_file, data=spice_cert_pem, backup=True)
+    logging.debug("Writing SPICE CA certificate at %s", spicecacert_file)
+    utils.WriteFile(spicecacert_file, data=spice_cacert_pem, backup=True)
+  elif new_spice_cert or not spice_cert_exists:
+    if spice_cert_exists:
+      utils.CreateBackup(spicecert_file)
+    if spice_cacert_exists:
+      utils.CreateBackup(spicecacert_file)
+
+    logging.debug("Generating new self-signed SPICE certificate at %s",
+                  spicecert_file)
+    (_, cert_pem) = utils.GenerateSelfSignedSslCert(spicecert_file)
+
+    # Self-signed certificate -> the public certificate is also the CA public
+    # certificate
+    logging.debug("Writing the public certificate to %s",
+                  spicecert_file)
+    utils.io.WriteFile(spicecacert_file, mode=0400, data=cert_pem)
+
   # Cluster domain secret
   if cds:
     logging.debug("Writing cluster domain secret to %s", cds_file)
   # Cluster domain secret
   if cds:
     logging.debug("Writing cluster domain secret to %s", cds_file)
@@ -166,9 +207,9 @@ def _InitGanetiServerSetup(master_name):
 
   """
   # Generate cluster secrets
 
   """
   # Generate cluster secrets
-  GenerateClusterCrypto(True, False, False, False)
+  GenerateClusterCrypto(True, False, False, False, False)
 
 
-  result = utils.RunCmd([constants.DAEMON_UTIL, "start", constants.NODED])
+  result = utils.RunCmd([pathutils.DAEMON_UTIL, "start", constants.NODED])
   if result.failed:
     raise errors.OpExecError("Could not start the node daemon, command %s"
                              " had exitcode %s and error %s" %
   if result.failed:
     raise errors.OpExecError("Could not start the node daemon, command %s"
                              " had exitcode %s and error %s" %
@@ -182,7 +223,9 @@ def _WaitForNodeDaemon(node_name):
 
   """
   def _CheckNodeDaemon():
 
   """
   def _CheckNodeDaemon():
-    result = rpc.RpcRunner.call_version([node_name])[node_name]
+    # Pylint bug <http://www.logilab.org/ticket/35642>
+    # pylint: disable=E1101
+    result = rpc.BootstrapRunner().call_version([node_name])[node_name]
     if result.fail_msg:
       raise utils.RetryAgain()
 
     if result.fail_msg:
       raise utils.RetryAgain()
 
@@ -213,6 +256,84 @@ def _WaitForMasterDaemon():
                              " %s seconds" % _DAEMON_READY_TIMEOUT)
 
 
                              " %s seconds" % _DAEMON_READY_TIMEOUT)
 
 
+def _WaitForSshDaemon(hostname, port, family):
+  """Wait for SSH daemon to become responsive.
+
+  """
+  hostip = netutils.GetHostname(name=hostname, family=family).ip
+
+  def _CheckSshDaemon():
+    if netutils.TcpPing(hostip, port, timeout=1.0, live_port_needed=True):
+      logging.debug("SSH daemon on %s:%s (IP address %s) has become"
+                    " responsive", hostname, port, hostip)
+    else:
+      raise utils.RetryAgain()
+
+  try:
+    utils.Retry(_CheckSshDaemon, 1.0, _DAEMON_READY_TIMEOUT)
+  except utils.RetryTimeout:
+    raise errors.OpExecError("SSH daemon on %s:%s (IP address %s) didn't"
+                             " become responsive within %s seconds" %
+                             (hostname, port, hostip, _DAEMON_READY_TIMEOUT))
+
+
+def RunNodeSetupCmd(cluster_name, node, basecmd, debug, verbose,
+                    use_cluster_key, ask_key, strict_host_check, data):
+  """Runs a command to configure something on a remote machine.
+
+  @type cluster_name: string
+  @param cluster_name: Cluster name
+  @type node: string
+  @param node: Node name
+  @type basecmd: string
+  @param basecmd: Base command (path on the remote machine)
+  @type debug: bool
+  @param debug: Enable debug output
+  @type verbose: bool
+  @param verbose: Enable verbose output
+  @type use_cluster_key: bool
+  @param use_cluster_key: See L{ssh.SshRunner.BuildCmd}
+  @type ask_key: bool
+  @param ask_key: See L{ssh.SshRunner.BuildCmd}
+  @type strict_host_check: bool
+  @param strict_host_check: See L{ssh.SshRunner.BuildCmd}
+  @param data: JSON-serializable input data for script (passed to stdin)
+
+  """
+  cmd = [basecmd]
+
+  # Pass --debug/--verbose to the external script if set on our invocation
+  if debug:
+    cmd.append("--debug")
+
+  if verbose:
+    cmd.append("--verbose")
+
+  family = ssconf.SimpleStore().GetPrimaryIPFamily()
+  srun = ssh.SshRunner(cluster_name,
+                       ipv6=(family == netutils.IP6Address.family))
+  scmd = srun.BuildCmd(node, constants.SSH_LOGIN_USER,
+                       utils.ShellQuoteArgs(cmd),
+                       batch=False, ask_key=ask_key, quiet=False,
+                       strict_host_check=strict_host_check,
+                       use_cluster_key=use_cluster_key)
+
+  tempfh = tempfile.TemporaryFile()
+  try:
+    tempfh.write(serializer.DumpJson(data))
+    tempfh.seek(0)
+
+    result = utils.RunCmd(scmd, interactive=True, input_fd=tempfh)
+  finally:
+    tempfh.close()
+
+  if result.failed:
+    raise errors.OpExecError("Command '%s' failed: %s" %
+                             (result.cmd, result.fail_reason))
+
+  _WaitForSshDaemon(node, netutils.GetDaemonPort(constants.SSH), family)
+
+
 def _InitFileStorage(file_storage_dir):
   """Initialize if needed the file storage.
 
 def _InitFileStorage(file_storage_dir):
   """Initialize if needed the file storage.
 
@@ -221,14 +342,11 @@ def _InitFileStorage(file_storage_dir):
       time) or the normalized path to the storage directory
 
   """
       time) or the normalized path to the storage directory
 
   """
-  if not constants.ENABLE_FILE_STORAGE:
-    return ""
-
   file_storage_dir = os.path.normpath(file_storage_dir)
 
   if not os.path.isabs(file_storage_dir):
   file_storage_dir = os.path.normpath(file_storage_dir)
 
   if not os.path.isabs(file_storage_dir):
-    raise errors.OpPrereqError("The file storage directory you passed is"
-                               " not an absolute path.", errors.ECODE_INVAL)
+    raise errors.OpPrereqError("File storage directory '%s' is not an absolute"
+                               " path" % file_storage_dir, errors.ECODE_INVAL)
 
   if not os.path.exists(file_storage_dir):
     try:
 
   if not os.path.exists(file_storage_dir):
     try:
@@ -245,51 +363,23 @@ def _InitFileStorage(file_storage_dir):
   return file_storage_dir
 
 
   return file_storage_dir
 
 
-def _InitSharedFileStorage(shared_file_storage_dir):
-  """Initialize if needed the shared file storage.
-
-  @param shared_file_storage_dir: the user-supplied value
-  @return: either empty string (if file storage was disabled at build
-      time) or the normalized path to the storage directory
-
-  """
-  if not constants.ENABLE_SHARED_FILE_STORAGE:
-    return ""
-
-  shared_file_storage_dir = os.path.normpath(shared_file_storage_dir)
-
-  if not os.path.isabs(shared_file_storage_dir):
-    raise errors.OpPrereqError("The shared file storage directory you"
-                               " passed is not an absolute path.",
-                               errors.ECODE_INVAL)
-
-  if not os.path.exists(shared_file_storage_dir):
-    try:
-      os.makedirs(shared_file_storage_dir, 0750)
-    except OSError, err:
-      raise errors.OpPrereqError("Cannot create file storage directory"
-                                 " '%s': %s" % (shared_file_storage_dir, err),
-                                 errors.ECODE_ENVIRON)
-
-  if not os.path.isdir(shared_file_storage_dir):
-    raise errors.OpPrereqError("The file storage directory '%s' is not"
-                               " a directory." % shared_file_storage_dir,
-                               errors.ECODE_ENVIRON)
-  return shared_file_storage_dir
-
-
-def InitCluster(cluster_name, mac_prefix, # pylint: disable-msg=R0913
-                master_netdev, file_storage_dir, shared_file_storage_dir,
-                candidate_pool_size, secondary_ip=None, vg_name=None,
-                beparams=None, nicparams=None, ndparams=None, hvparams=None,
-                enabled_hypervisors=None, modify_etc_hosts=True,
-                modify_ssh_setup=True, maintain_node_health=False,
-                drbd_helper=None, uid_pool=None, default_iallocator=None,
-                primary_ip_version=None, prealloc_wipe_disks=False):
+def InitCluster(cluster_name, mac_prefix, # pylint: disable=R0913, R0914
+                master_netmask, master_netdev, file_storage_dir,
+                shared_file_storage_dir, candidate_pool_size, secondary_ip=None,
+                vg_name=None, beparams=None, nicparams=None, ndparams=None,
+                hvparams=None, diskparams=None, enabled_hypervisors=None,
+                modify_etc_hosts=True, modify_ssh_setup=True,
+                maintain_node_health=False, drbd_helper=None, uid_pool=None,
+                default_iallocator=None, primary_ip_version=None, ipolicy=None,
+                prealloc_wipe_disks=False, use_external_mip_script=False,
+                hv_state=None, disk_state=None, enabled_disk_templates=None):
   """Initialise the cluster.
 
   @type candidate_pool_size: int
   @param candidate_pool_size: master candidate pool size
   """Initialise the cluster.
 
   @type candidate_pool_size: int
   @param candidate_pool_size: master candidate pool size
+  @type enabled_disk_templates: list of string
+  @param enabled_disk_templates: list of disk_templates to be used in this
+    cluster
 
   """
   # TODO: complete the docstring
 
   """
   # TODO: complete the docstring
@@ -306,25 +396,32 @@ def InitCluster(cluster_name, mac_prefix, # pylint: disable-msg=R0913
                                " entries: %s" % invalid_hvs,
                                errors.ECODE_INVAL)
 
                                " entries: %s" % invalid_hvs,
                                errors.ECODE_INVAL)
 
+  if not enabled_disk_templates:
+    raise errors.OpPrereqError("Enabled disk templates list must contain at"
+                               " least one member", errors.ECODE_INVAL)
+  invalid_disk_templates = \
+    set(enabled_disk_templates) - constants.DISK_TEMPLATES
+  if invalid_disk_templates:
+    raise errors.OpPrereqError("Enabled disk templates list contains invalid"
+                               " entries: %s" % invalid_disk_templates,
+                               errors.ECODE_INVAL)
 
 
-  ipcls = None
-  if primary_ip_version == constants.IP4_VERSION:
-    ipcls = netutils.IP4Address
-  elif primary_ip_version == constants.IP6_VERSION:
-    ipcls = netutils.IP6Address
-  else:
+  try:
+    ipcls = netutils.IPAddress.GetClassFromIpVersion(primary_ip_version)
+  except errors.ProgrammerError:
     raise errors.OpPrereqError("Invalid primary ip version: %d." %
     raise errors.OpPrereqError("Invalid primary ip version: %d." %
-                               primary_ip_version)
+                               primary_ip_version, errors.ECODE_INVAL)
 
   hostname = netutils.GetHostname(family=ipcls.family)
   if not ipcls.IsValid(hostname.ip):
     raise errors.OpPrereqError("This host's IP (%s) is not a valid IPv%d"
 
   hostname = netutils.GetHostname(family=ipcls.family)
   if not ipcls.IsValid(hostname.ip):
     raise errors.OpPrereqError("This host's IP (%s) is not a valid IPv%d"
-                               " address." % (hostname.ip, primary_ip_version))
+                               " address." % (hostname.ip, primary_ip_version),
+                               errors.ECODE_INVAL)
 
   if ipcls.IsLoopback(hostname.ip):
     raise errors.OpPrereqError("This host's IP (%s) resolves to a loopback"
                                " address. Please fix DNS or %s." %
 
   if ipcls.IsLoopback(hostname.ip):
     raise errors.OpPrereqError("This host's IP (%s) resolves to a loopback"
                                " address. Please fix DNS or %s." %
-                               (hostname.ip, constants.ETC_HOSTS),
+                               (hostname.ip, pathutils.ETC_HOSTS),
                                errors.ECODE_ENVIRON)
 
   if not ipcls.Own(hostname.ip):
                                errors.ECODE_ENVIRON)
 
   if not ipcls.Own(hostname.ip):
@@ -356,6 +453,14 @@ def InitCluster(cluster_name, mac_prefix, # pylint: disable-msg=R0913
                                " but it does not belong to this host." %
                                secondary_ip, errors.ECODE_ENVIRON)
 
                                " but it does not belong to this host." %
                                secondary_ip, errors.ECODE_ENVIRON)
 
+  if master_netmask is not None:
+    if not ipcls.ValidateNetmask(master_netmask):
+      raise errors.OpPrereqError("CIDR netmask (%s) not valid for IPv%s " %
+                                  (master_netmask, primary_ip_version),
+                                 errors.ECODE_INVAL)
+  else:
+    master_netmask = ipcls.iplen
+
   if vg_name is not None:
     # Check if volume group is valid
     vgstatus = utils.CheckVolumeGroupSize(utils.ListVolumeGroups(), vg_name,
   if vg_name is not None:
     # Check if volume group is valid
     vgstatus = utils.CheckVolumeGroupSize(utils.ListVolumeGroups(), vg_name,
@@ -379,8 +484,22 @@ def InitCluster(cluster_name, mac_prefix, # pylint: disable-msg=R0913
                                                              curr_helper),
                                  errors.ECODE_INVAL)
 
                                                              curr_helper),
                                  errors.ECODE_INVAL)
 
-  file_storage_dir = _InitFileStorage(file_storage_dir)
-  shared_file_storage_dir = _InitSharedFileStorage(shared_file_storage_dir)
+  logging.debug("Stopping daemons (if any are running)")
+  result = utils.RunCmd([pathutils.DAEMON_UTIL, "stop-all"])
+  if result.failed:
+    raise errors.OpExecError("Could not stop daemons, command %s"
+                             " had exitcode %s and error '%s'" %
+                             (result.cmd, result.exit_code, result.output))
+
+  if constants.ENABLE_FILE_STORAGE:
+    file_storage_dir = _InitFileStorage(file_storage_dir)
+  else:
+    file_storage_dir = ""
+
+  if constants.ENABLE_SHARED_FILE_STORAGE:
+    shared_file_storage_dir = _InitFileStorage(shared_file_storage_dir)
+  else:
+    shared_file_storage_dir = ""
 
   if not re.match("^[0-9a-z]{2}:[0-9a-z]{2}:[0-9a-z]{2}$", mac_prefix):
     raise errors.OpPrereqError("Invalid mac prefix given '%s'" % mac_prefix,
 
   if not re.match("^[0-9a-z]{2}:[0-9a-z]{2}:[0-9a-z]{2}$", mac_prefix):
     raise errors.OpPrereqError("Invalid mac prefix given '%s'" % mac_prefix,
@@ -392,27 +511,83 @@ def InitCluster(cluster_name, mac_prefix, # pylint: disable-msg=R0913
                                (master_netdev,
                                 result.output.strip()), errors.ECODE_INVAL)
 
                                (master_netdev,
                                 result.output.strip()), errors.ECODE_INVAL)
 
-  dirs = [(constants.RUN_GANETI_DIR, constants.RUN_DIRS_MODE)]
+  dirs = [(pathutils.RUN_DIR, constants.RUN_DIRS_MODE)]
   utils.EnsureDirs(dirs)
 
   utils.EnsureDirs(dirs)
 
+  objects.UpgradeBeParams(beparams)
   utils.ForceDictType(beparams, constants.BES_PARAMETER_TYPES)
   utils.ForceDictType(nicparams, constants.NICS_PARAMETER_TYPES)
   utils.ForceDictType(beparams, constants.BES_PARAMETER_TYPES)
   utils.ForceDictType(nicparams, constants.NICS_PARAMETER_TYPES)
+
   objects.NIC.CheckParameterSyntax(nicparams)
 
   objects.NIC.CheckParameterSyntax(nicparams)
 
+  full_ipolicy = objects.FillIPolicy(constants.IPOLICY_DEFAULTS, ipolicy)
+
   if ndparams is not None:
     utils.ForceDictType(ndparams, constants.NDS_PARAMETER_TYPES)
   else:
     ndparams = dict(constants.NDC_DEFAULTS)
 
   if ndparams is not None:
     utils.ForceDictType(ndparams, constants.NDS_PARAMETER_TYPES)
   else:
     ndparams = dict(constants.NDC_DEFAULTS)
 
+  # This is ugly, as we modify the dict itself
+  # FIXME: Make utils.ForceDictType pure functional or write a wrapper
+  # around it
+  if hv_state:
+    for hvname, hvs_data in hv_state.items():
+      utils.ForceDictType(hvs_data, constants.HVSTS_PARAMETER_TYPES)
+      hv_state[hvname] = objects.Cluster.SimpleFillHvState(hvs_data)
+  else:
+    hv_state = dict((hvname, constants.HVST_DEFAULTS)
+                    for hvname in enabled_hypervisors)
+
+  # FIXME: disk_state has no default values yet
+  if disk_state:
+    for storage, ds_data in disk_state.items():
+      if storage not in constants.DS_VALID_TYPES:
+        raise errors.OpPrereqError("Invalid storage type in disk state: %s" %
+                                   storage, errors.ECODE_INVAL)
+      for ds_name, state in ds_data.items():
+        utils.ForceDictType(state, constants.DSS_PARAMETER_TYPES)
+        ds_data[ds_name] = objects.Cluster.SimpleFillDiskState(state)
+
   # hvparams is a mapping of hypervisor->hvparams dict
   for hv_name, hv_params in hvparams.iteritems():
     utils.ForceDictType(hv_params, constants.HVS_PARAMETER_TYPES)
     hv_class = hypervisor.GetHypervisor(hv_name)
     hv_class.CheckParameterSyntax(hv_params)
 
   # hvparams is a mapping of hypervisor->hvparams dict
   for hv_name, hv_params in hvparams.iteritems():
     utils.ForceDictType(hv_params, constants.HVS_PARAMETER_TYPES)
     hv_class = hypervisor.GetHypervisor(hv_name)
     hv_class.CheckParameterSyntax(hv_params)
 
+  # diskparams is a mapping of disk-template->diskparams dict
+  for template, dt_params in diskparams.items():
+    param_keys = set(dt_params.keys())
+    default_param_keys = set(constants.DISK_DT_DEFAULTS[template].keys())
+    if not (param_keys <= default_param_keys):
+      unknown_params = param_keys - default_param_keys
+      raise errors.OpPrereqError("Invalid parameters for disk template %s:"
+                                 " %s" % (template,
+                                          utils.CommaJoin(unknown_params)),
+                                 errors.ECODE_INVAL)
+    utils.ForceDictType(dt_params, constants.DISK_DT_TYPES)
+    if template == constants.DT_DRBD8 and vg_name is not None:
+      # The default METAVG value is equal to the VG name set at init time,
+      # if provided
+      dt_params[constants.DRBD_DEFAULT_METAVG] = vg_name
+
+  try:
+    utils.VerifyDictOptions(diskparams, constants.DISK_DT_DEFAULTS)
+  except errors.OpPrereqError, err:
+    raise errors.OpPrereqError("While verify diskparam options: %s" % err,
+                               errors.ECODE_INVAL)
+
   # set up ssh config and /etc/hosts
   # set up ssh config and /etc/hosts
-  sshline = utils.ReadFile(constants.SSH_HOST_RSA_PUB)
-  sshkey = sshline.split(" ")[1]
+  rsa_sshkey = ""
+  dsa_sshkey = ""
+  if os.path.isfile(pathutils.SSH_HOST_RSA_PUB):
+    sshline = utils.ReadFile(pathutils.SSH_HOST_RSA_PUB)
+    rsa_sshkey = sshline.split(" ")[1]
+  if os.path.isfile(pathutils.SSH_HOST_DSA_PUB):
+    sshline = utils.ReadFile(pathutils.SSH_HOST_DSA_PUB)
+    dsa_sshkey = sshline.split(" ")[1]
+  if not rsa_sshkey and not dsa_sshkey:
+    raise errors.OpPrereqError("Failed to find SSH public keys",
+                               errors.ECODE_ENVIRON)
 
   if modify_etc_hosts:
     utils.AddHostToEtcHosts(hostname.name, hostname.ip)
 
   if modify_etc_hosts:
     utils.AddHostToEtcHosts(hostname.name, hostname.ip)
@@ -440,13 +615,15 @@ def InitCluster(cluster_name, mac_prefix, # pylint: disable-msg=R0913
   # init of cluster config file
   cluster_config = objects.Cluster(
     serial_no=1,
   # init of cluster config file
   cluster_config = objects.Cluster(
     serial_no=1,
-    rsahostkeypub=sshkey,
+    rsahostkeypub=rsa_sshkey,
+    dsahostkeypub=dsa_sshkey,
     highest_used_port=(constants.FIRST_DRBD_PORT - 1),
     mac_prefix=mac_prefix,
     volume_group_name=vg_name,
     tcpudp_port_pool=set(),
     master_node=hostname.name,
     master_ip=clustername.ip,
     highest_used_port=(constants.FIRST_DRBD_PORT - 1),
     mac_prefix=mac_prefix,
     volume_group_name=vg_name,
     tcpudp_port_pool=set(),
     master_node=hostname.name,
     master_ip=clustername.ip,
+    master_netmask=master_netmask,
     master_netdev=master_netdev,
     cluster_name=clustername.name,
     file_storage_dir=file_storage_dir,
     master_netdev=master_netdev,
     cluster_name=clustername.name,
     file_storage_dir=file_storage_dir,
@@ -456,6 +633,7 @@ def InitCluster(cluster_name, mac_prefix, # pylint: disable-msg=R0913
     nicparams={constants.PP_DEFAULT: nicparams},
     ndparams=ndparams,
     hvparams=hvparams,
     nicparams={constants.PP_DEFAULT: nicparams},
     ndparams=ndparams,
     hvparams=hvparams,
+    diskparams=diskparams,
     candidate_pool_size=candidate_pool_size,
     modify_etc_hosts=modify_etc_hosts,
     modify_ssh_setup=modify_ssh_setup,
     candidate_pool_size=candidate_pool_size,
     modify_etc_hosts=modify_etc_hosts,
     modify_ssh_setup=modify_ssh_setup,
@@ -467,6 +645,11 @@ def InitCluster(cluster_name, mac_prefix, # pylint: disable-msg=R0913
     default_iallocator=default_iallocator,
     primary_ip_family=ipcls.family,
     prealloc_wipe_disks=prealloc_wipe_disks,
     default_iallocator=default_iallocator,
     primary_ip_family=ipcls.family,
     prealloc_wipe_disks=prealloc_wipe_disks,
+    use_external_mip_script=use_external_mip_script,
+    ipolicy=full_ipolicy,
+    hv_state_static=hv_state,
+    disk_state_static=disk_state,
+    enabled_disk_templates=enabled_disk_templates,
     )
   master_node_config = objects.Node(name=hostname.name,
                                     primary_ip=hostname.ip,
     )
   master_node_config = objects.Node(name=hostname.name,
                                     primary_ip=hostname.ip,
@@ -478,15 +661,15 @@ def InitCluster(cluster_name, mac_prefix, # pylint: disable-msg=R0913
                                     )
   InitConfig(constants.CONFIG_VERSION, cluster_config, master_node_config)
   cfg = config.ConfigWriter(offline=True)
                                     )
   InitConfig(constants.CONFIG_VERSION, cluster_config, master_node_config)
   cfg = config.ConfigWriter(offline=True)
-  ssh.WriteKnownHostsFile(cfg, constants.SSH_KNOWN_HOSTS_FILE)
+  ssh.WriteKnownHostsFile(cfg, pathutils.SSH_KNOWN_HOSTS_FILE)
   cfg.Update(cfg.GetClusterInfo(), logging.error)
   cfg.Update(cfg.GetClusterInfo(), logging.error)
-  backend.WriteSsconfFiles(cfg.GetSsconfValues())
+  ssconf.WriteSsconfFiles(cfg.GetSsconfValues())
 
   # set up the inter-node password and certificate
   _InitGanetiServerSetup(hostname.name)
 
   logging.debug("Starting daemons")
 
   # set up the inter-node password and certificate
   _InitGanetiServerSetup(hostname.name)
 
   logging.debug("Starting daemons")
-  result = utils.RunCmd([constants.DAEMON_UTIL, "start-all"])
+  result = utils.RunCmd([pathutils.DAEMON_UTIL, "start-all"])
   if result.failed:
     raise errors.OpExecError("Could not start daemons, command %s"
                              " had exitcode %s and error %s" %
   if result.failed:
     raise errors.OpExecError("Could not start daemons, command %s"
                              " had exitcode %s and error %s" %
@@ -496,7 +679,7 @@ def InitCluster(cluster_name, mac_prefix, # pylint: disable-msg=R0913
 
 
 def InitConfig(version, cluster_config, master_node_config,
 
 
 def InitConfig(version, cluster_config, master_node_config,
-               cfg_file=constants.CLUSTER_CONF_FILE):
+               cfg_file=pathutils.CLUSTER_CONF_FILE):
   """Create the initial cluster configuration.
 
   It will contain the current node, which will also be the master
   """Create the initial cluster configuration.
 
   It will contain the current node, which will also be the master
@@ -524,6 +707,7 @@ def InitConfig(version, cluster_config, master_node_config,
     uuid=uuid_generator.Generate([], utils.NewUUID, _INITCONF_ECID),
     name=constants.INITIAL_NODE_GROUP_NAME,
     members=[master_node_config.name],
     uuid=uuid_generator.Generate([], utils.NewUUID, _INITCONF_ECID),
     name=constants.INITIAL_NODE_GROUP_NAME,
     members=[master_node_config.name],
+    diskparams={},
     )
   nodegroups = {
     default_nodegroup.uuid: default_nodegroup,
     )
   nodegroups = {
     default_nodegroup.uuid: default_nodegroup,
@@ -534,6 +718,7 @@ def InitConfig(version, cluster_config, master_node_config,
                                    nodegroups=nodegroups,
                                    nodes=nodes,
                                    instances={},
                                    nodegroups=nodegroups,
                                    nodes=nodes,
                                    instances={},
+                                   networks={},
                                    serial_no=1,
                                    ctime=now, mtime=now)
   utils.WriteFile(cfg_file,
                                    serial_no=1,
                                    ctime=now, mtime=now)
   utils.WriteFile(cfg_file,
@@ -550,18 +735,31 @@ def FinalizeClusterDestroy(master):
   """
   cfg = config.ConfigWriter()
   modify_ssh_setup = cfg.GetClusterInfo().modify_ssh_setup
   """
   cfg = config.ConfigWriter()
   modify_ssh_setup = cfg.GetClusterInfo().modify_ssh_setup
-  result = rpc.RpcRunner.call_node_stop_master(master, True)
+  runner = rpc.BootstrapRunner()
+
+  master_params = cfg.GetMasterNetworkParameters()
+  master_params.name = master
+  ems = cfg.GetUseExternalMipScript()
+  result = runner.call_node_deactivate_master_ip(master_params.name,
+                                                 master_params, ems)
+
+  msg = result.fail_msg
+  if msg:
+    logging.warning("Could not disable the master IP: %s", msg)
+
+  result = runner.call_node_stop_master(master)
   msg = result.fail_msg
   if msg:
     logging.warning("Could not disable the master role: %s", msg)
   msg = result.fail_msg
   if msg:
     logging.warning("Could not disable the master role: %s", msg)
-  result = rpc.RpcRunner.call_node_leave_cluster(master, modify_ssh_setup)
+
+  result = runner.call_node_leave_cluster(master, modify_ssh_setup)
   msg = result.fail_msg
   if msg:
     logging.warning("Could not shutdown the node daemon and cleanup"
                     " the node: %s", msg)
 
 
   msg = result.fail_msg
   if msg:
     logging.warning("Could not shutdown the node daemon and cleanup"
                     " the node: %s", msg)
 
 
-def SetupNodeDaemon(cluster_name, node, ssh_key_check):
+def SetupNodeDaemon(opts, cluster_name, node):
   """Add a node to the cluster.
 
   This function must be called before the actual opcode, and will ssh
   """Add a node to the cluster.
 
   This function must be called before the actual opcode, and will ssh
@@ -570,36 +768,19 @@ def SetupNodeDaemon(cluster_name, node, ssh_key_check):
 
   @param cluster_name: the cluster name
   @param node: the name of the new node
 
   @param cluster_name: the cluster name
   @param node: the name of the new node
-  @param ssh_key_check: whether to do a strict key check
 
   """
 
   """
-  family = ssconf.SimpleStore().GetPrimaryIPFamily()
-  sshrunner = ssh.SshRunner(cluster_name,
-                            ipv6=(family == netutils.IP6Address.family))
-
-  bind_address = constants.IP4_ADDRESS_ANY
-  if family == netutils.IP6Address.family:
-    bind_address = constants.IP6_ADDRESS_ANY
-
-  # set up inter-node password and certificate and restarts the node daemon
-  # and then connect with ssh to set password and start ganeti-noded
-  # note that all the below variables are sanitized at this point,
-  # either by being constants or by the checks above
-  sshrunner.CopyFileToNode(node, constants.NODED_CERT_FILE)
-  sshrunner.CopyFileToNode(node, constants.RAPI_CERT_FILE)
-  sshrunner.CopyFileToNode(node, constants.CONFD_HMAC_KEY)
-  mycommand = ("%s stop-all; %s start %s -b %s" %
-               (constants.DAEMON_UTIL, constants.DAEMON_UTIL, constants.NODED,
-                utils.ShellQuote(bind_address)))
-
-  result = sshrunner.Run(node, 'root', mycommand, batch=False,
-                         ask_key=ssh_key_check,
-                         use_cluster_key=True,
-                         strict_host_check=ssh_key_check)
-  if result.failed:
-    raise errors.OpExecError("Remote command on node %s, error: %s,"
-                             " output: %s" %
-                             (node, result.fail_reason, result.output))
+  data = {
+    constants.NDS_CLUSTER_NAME: cluster_name,
+    constants.NDS_NODE_DAEMON_CERTIFICATE:
+      utils.ReadFile(pathutils.NODED_CERT_FILE),
+    constants.NDS_SSCONF: ssconf.SimpleStore().ReadAll(),
+    constants.NDS_START_NODE_DAEMON: True,
+    }
+
+  RunNodeSetupCmd(cluster_name, node, pathutils.NODE_DAEMON_SETUP,
+                  opts.debug, opts.verbose,
+                  True, opts.ssh_key_check, opts.ssh_key_check, data)
 
   _WaitForNodeDaemon(node)
 
 
   _WaitForNodeDaemon(node)
 
@@ -634,7 +815,7 @@ def MasterFailover(no_voting=False):
                                " as master candidates. Only these nodes"
                                " can become masters. Current list of"
                                " master candidates is:\n"
                                " as master candidates. Only these nodes"
                                " can become masters. Current list of"
                                " master candidates is:\n"
-                               "%s" % ('\n'.join(mc_no_master)),
+                               "%s" % ("\n".join(mc_no_master)),
                                errors.ECODE_STATE)
 
   if not no_voting:
                                errors.ECODE_STATE)
 
   if not no_voting:
@@ -680,16 +861,28 @@ def MasterFailover(no_voting=False):
 
   logging.info("Stopping the master daemon on node %s", old_master)
 
 
   logging.info("Stopping the master daemon on node %s", old_master)
 
-  result = rpc.RpcRunner.call_node_stop_master(old_master, True)
+  runner = rpc.BootstrapRunner()
+  master_params = cfg.GetMasterNetworkParameters()
+  master_params.name = old_master
+  ems = cfg.GetUseExternalMipScript()
+  result = runner.call_node_deactivate_master_ip(master_params.name,
+                                                 master_params, ems)
+
+  msg = result.fail_msg
+  if msg:
+    logging.warning("Could not disable the master IP: %s", msg)
+
+  result = runner.call_node_stop_master(old_master)
   msg = result.fail_msg
   if msg:
     logging.error("Could not disable the master role on the old master"
   msg = result.fail_msg
   if msg:
     logging.error("Could not disable the master role on the old master"
-                 " %s, please disable manually: %s", old_master, msg)
+                  " %s, please disable manually: %s", old_master, msg)
 
   logging.info("Checking master IP non-reachability...")
 
   master_ip = sstore.GetMasterIP()
   total_timeout = 30
 
   logging.info("Checking master IP non-reachability...")
 
   master_ip = sstore.GetMasterIP()
   total_timeout = 30
+
   # Here we have a phase where no master should be running
   def _check_ip():
     if netutils.TcpPing(master_ip, constants.DEFAULT_NODED_PORT):
   # Here we have a phase where no master should be running
   def _check_ip():
     if netutils.TcpPing(master_ip, constants.DEFAULT_NODED_PORT):
@@ -708,7 +901,8 @@ def MasterFailover(no_voting=False):
 
   logging.info("Starting the master daemons on the new master")
 
 
   logging.info("Starting the master daemons on the new master")
 
-  result = rpc.RpcRunner.call_node_start_master(new_master, True, no_voting)
+  result = rpc.BootstrapRunner().call_node_start_master_daemons(new_master,
+                                                                no_voting)
   msg = result.fail_msg
   if msg:
     logging.error("Could not start the master role on the new master"
   msg = result.fail_msg
   if msg:
     logging.error("Could not start the master role on the new master"
@@ -764,7 +958,7 @@ def GatherMasterVotes(node_list):
   if not node_list:
     # no nodes left (eventually after removing myself)
     return []
   if not node_list:
     # no nodes left (eventually after removing myself)
     return []
-  results = rpc.RpcRunner.call_master_info(node_list)
+  results = rpc.BootstrapRunner().call_master_info(node_list)
   if not isinstance(results, dict):
     # this should not happen (unless internal error in rpc)
     logging.critical("Can't complete rpc call, aborting master startup")
   if not isinstance(results, dict):
     # this should not happen (unless internal error in rpc)
     logging.critical("Can't complete rpc call, aborting master startup")
@@ -778,7 +972,8 @@ def GatherMasterVotes(node_list):
     if msg:
       logging.warning("Error contacting node %s: %s", node, msg)
       fail = True
     if msg:
       logging.warning("Error contacting node %s: %s", node, msg)
       fail = True
-    # for now we accept both length 3 and 4 (data[3] is primary ip version)
+    # for now we accept both length 3, 4 and 5 (data[3] is primary ip version
+    # and data[4] is the master netmask)
     elif not isinstance(data, (tuple, list)) or len(data) < 3:
       logging.warning("Invalid data received from node %s: %s", node, data)
       fail = True
     elif not isinstance(data, (tuple, list)) or len(data) < 3:
       logging.warning("Invalid data received from node %s: %s", node, data)
       fail = True